49394240 has 56 divisors (see below), whose sum is σ = 134428992. Its totient is φ = 16934400.

The previous prime is 49394239. The next prime is 49394249. The reversal of 49394240 is 4249394.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 49394240.

It is not an unprimeable number, because it can be changed into a prime (49394249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8786 + ... + 13265.

Almost surely, 2^49394240 is an apocalyptic number.

49394240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49394240 is an abundant number, since it is smaller than the sum of its proper divisors (85034752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49394240 is a wasteful number, since it uses less digits than its factorization.

49394240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22075 (or 22065 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 49394240 is about 7028.1035848940. The cubic root of 49394240 is about 366.9093416480.

The spelling of 49394240 in words is "forty-nine million, three hundred ninety-four thousand, two hundred forty".